To supersede the requirements of the standards referenced in Sentences 3.2.5.12.(1) and 3.2.5.12.(2), which would otherwise not require sprinklers for some balconies or decks.
This is to limit the probability that a fire starting on a balcony or deck will not be suppressed or controlled, which could lead to the spread of fire to the roof assembly and other parts of the building, which could lead to damage to the adjacent buildings.